2311145353993 has 8 divisors (see below), whose sum is σ = 2641318202880. Its totient is φ = 1980974811840.

The previous prime is 2311145353963. The next prime is 2311145353997. The reversal of 2311145353993 is 3993535411132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2311145353993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2311145353997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3381288 + ... + 4006918.

It is an arithmetic number, because the mean of its divisors is an integer number (330164775360).

Almost surely, 2^{2311145353993} is an apocalyptic number.

It is an amenable number.

2311145353993 is a deficient number, since it is larger than the sum of its proper divisors (330172848887).

2311145353993 is an equidigital number, since it uses as much as digits as its factorization.

2311145353993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153367.

The product of its digits is 1312200, while the sum is 49.

The spelling of 2311145353993 in words is "two trillion, three hundred eleven billion, one hundred forty-five million, three hundred fifty-three thousand, nine hundred ninety-three".